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A to Z GIS | Explore this related guide, featuring updated terms and graphics and developed in coordination with Esri’s GIS Dictionary team.

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GIS Dictionary

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  1. [data conversion] A representation or description of the geographic environment, typically produced by an optical or electronic device or an electromagnetic sensor, such as a camera or a scanning radiometer. Common examples include remotely sensed data (for example, satellite data), scanned data, and photographs.

  2. [data architecture] A raster dataset.

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